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quant-ph2020★ 5 cited
Lower bounds on concurrence and negativity from a trace inequality
K. V. Antipin
For bipartite quantum states we obtain lower bounds on two important entanglement measures, concurrence and negativity, studying the inequalities for the expectation value of a pro…
quant-ph2019
Channel-state duality and the separability problem
K. V. Antipin
Separability of quantum states is analyzed with the use of the Choi-Jamiolkowski isomorphism. Spectral separability criteria are derived. The presented approach is illustrated with…